@charset "utf-8";
/* CSS Document */
/* http://meyerweb.com/eric/tools/css/reset/
   v2.0 | 20110126
   License: none (public domain)
*/
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
    display: block;
}
body {
    line-height: 1;
}
ol,
ul {
    list-style: none;
}
blockquote,
q {
    quotes: none;
}
blockquote:before,
blockquote:after,
q:before,
q:after {
    content: '';
    content: none;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
/* end
http://meyerweb.com/eric/tools/css/reset/
*/
/* clearfix */
.clearfix:after {
    content: "";
    display: block;
    clear: both;
}
/* common */
html {
    background: #fafafa;
    color: #65686e;
    /*min-width: 1000px;*/
}
body {
    //font-family: 'Shippori Mincho', serif;
    font-family: 'Noto Sans JP', 'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro', 'メイリオ', 'Meiryo';
    font-feature-settings: "palt";
}
img {
    width: 100%;
    height: auto;
    display: block;
}
a {
    text-decoration: none;
    color: inherit;
}
sub {
    font-size: .7em;
}
/* */
.t-main_bg {
    background: #fafafa;
}
.t-bs_bg {
    background: #fff;
}
.main_top .t-grad,
.main_concept .t-grad,
.main_sustainability .t-grad,
.main_approach .t-grad,
.main_bcp .t-grad,
.main_office .t-grad,
.main_project .t-grad {
    opacity: .5;
}
.hero .t-grad,
.t-grad {
    opacity: 0.2;
}
.t-grad::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, #9da2ab 0%, transparent 50%);
}
.t-grad:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 78.8%;
    background: linear-gradient(to top, #9da2ab 0%, transparent 100%);
    opacity: .5;
}
.t-gold {
    /*color: #a8a071;*/
}
.t-btn_01 {
    background: #a8a071;
}
/* */
.l-main {
    max-width: 1584px;
    width: 100%;
    margin: 0 auto;
}
.l-ml6 {
    margin-left: 6.629%;
}
.l-ml7 {
    margin-left: 6.957%;
}
.l-ml12 {
    margin-left: 13.542%;
}
.l-wd86 {
    width: 86.459%;
}
.l-wd73 {
    width: 72.917%;
}
.l-wd76 {
    width: 75.556%;
}
.l-wd79 {
    width: 79.861%;
}
.l-wd85 {
    width: 86.459%;
}
.l-wd87 {
    width: 86.74%;
}
.l-wd92 {
    width: 92.29%;
}
.l-pl7 {
    padding-left: 6.957%;
}
.l-pr7 {
    padding-right: 6.957%;
}
/* */
.lay-rel {
    position: relative;
}
.lay-font-gothic {
    font-family: "游ゴシック体", YuGothic, "游ゴシック Medium", "Yu Gothic Medium", 'Open Sans', "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", "sans-serif";
}
.wrapper {
    overflow: hidden;
    position: relative;
}
.no-link {
    cursor: text;
}
.bg-l {
    position: absolute;
    width: 100vw;
    top: 0;
    right: 50%;
    height: 100%;
    z-index: -1;
}
.bg-r {
    left: 50%;
    position: absolute;
    top: 0;
    height: 100%;
    width: 100vw;
    z-index: -1;
}
.main {
    font-size: 1.112vw;
}
.caption-main {
    display: block;
    font-size: 10px;
    line-height: 1.5;
    text-indent: -1em;
    padding: 7.3% 0 1.5% 3.4%;
    letter-spacing: 0.14em;
}
.caption-main li {
    text-indent: -1em;
    padding: 0 0 0 1em;
}
/* header */
.header {
    background: #fff;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.logo-header {
    width: 258px;
    margin: 25px 0 47px 31px;
}
.box-right {
    display: flex;
    align-items: center;
    padding: 30px 40px 0 0;
}
.tel-header {
    letter-spacing: 0.01em;
}
.link-tel {
    font-size: 20px;
    font-weight: 600;
    vertical-align: middle;
}
.icon-tel {
    width: 26px;
    margin: 0 4px 0 0;
    float: left;
}
.txt-tel {
    text-align: justify;
    font-size: 12px;
    display: block;
    margin: 1px 0 0;
}
.btn-header {
    display: block;
    width: 120px;
    line-height: 33px;
    text-align: center;
    color: #fff;
    font-size: 12px;
    margin: 0 0 0 20px;
}
.line-header {
    border-right: solid 1px #d6d6d6;
    height: 33px;
    display: block;
    /*margin: 0 26px 0 23px;*/
    margin: 0 59px 0 23px;
}
.btn-gnav{
    position: fixed;
    top: 35px;
    right: 40px;
    z-index: 1000;
}
.gnav {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10001;
    width: 100%;
    font-size: 1vw;
    display: none;
}
.bg-gnav {
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.62);
    width: 100%;
    height: 110%;
}
.cts-gnav {
    margin: 0 auto;
    position: relative;
    width: 90.91%;
    padding: 0 0 0 34.395%;
    overflow: hidden;
    box-sizing: border-box;
    background: #fff;
    margin-bottom: 36px;
}
.box-img-gnav {
    position: absolute;
    top: 0;
    left: 0;
    width: 38.195%;
    height: 100%;
    overflow: hidden;
}
.img-gnav {
    position: absolute;
    bottom: 0;
    left: 0;
    opacity: 0;
    z-index: 1;
    height: 100%;
    width: auto;
}
.img-gnav.is-current {
    opacity: 1;
    z-index: 0;
}
.wrap-txt-gnav {
    display: flex;
    justify-content: flex-start;
    padding: 0 0 9.6%;
}
.box-txt-gnav {
    position: relative;
    width: 33.708%;
    padding: 11.8% 0 0;
}
.box-txt-gnav:nth-child(1) {
    padding-left: 12.9%;
    padding-right: 4.9%;
}
.stl-gnav {
    font-size: 0.688em;
    height: auto;
    padding: 0 0 2.2em;
    position: relative;
}
.box-link-grav {
    padding: 0 0 12.3%;
}
.box-link-grav.is-current,
.box-link-grav:hover,
.box-link-grav:hover h3 a {
    color: #a8a071;
}
.box-link-grav:hover .img-ac-gnav {
    opacity: 1;
}
.box-link-grav:last-child {
    padding-bottom: 0;
}
.stl-gnav+.stl-gnav {
    margin: 12.4% 0 0;
}
.stl-gnav a {
    display: block;
    position: relative;
}
.stl-gnav .is-current {
    color: #a8a071;
}
.is-current .img-ac-gnav {
    opacity: 1;
}
.img-ac-gnav {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 200ms ease-out;
}
.stl-gnav span {
    display: block;
    padding: 3.2em 0 0;
    letter-spacing: 0.1em;
    position: absolute;
    top: 0;
    left: 0;
    transition: color 200ms ease-out;
	margin-top: 5px;
}
.stl-gnav a:hover .img-ac-gnav {
    opacity: 1;
}
.stl-gnav-top {
    width: 22.425%;
    display: block;
}
.stl-gnav-concept {
    width: 56.97%;
}
.stl-gnav-project {
    width: 71.943%;
}
.anchor-gnav {
    font-size: 0.875em;
    line-height: 1.572;
    margin: 0.688em 0 0;
    letter-spacing: 0.2em;
}
.anchor-gnav .link-line span {
    background: #fff;
}
.anchor-gnav+.stl-gnav {
    margin-top: 10.4%;
}
.anchor-gnav .link-line {
    width: 84%;
    transition: color 200ms ease-out;
}
.stl-gnav-location {
    width: 62.425%;
}
.stl-gnav-approach {
    width: 63.334%;
}
.stl-gnav-office {
    width: 42.728%;
}
.stl-gnav-bcp {
    width: 26.364%;
}
.stl-gnav-sustainability {
    width: 98.485%;
}
.stl-gnav-outline {
    width: 54.903%;
}
.stl-gnav-gallery {
    width: 52.728%;
}
.stl-gnav .no-link span {
    color: #65686e !important;
}
.coming-soon-gnav {
    width: 42.538%;
    margin: 9.2% 0 0;
}
.box-txt-gnav-02 {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
}
.btn-header-gnav {
    color: #fff;
    font-size: 0.937em;
    width: 84%;
    display: block;
    text-align: center;
    line-height: 3.336;
    margin: 0 0 4.3%;
}
.tel-header-gnav {
    margin: 0 0 1.6% 0;
    letter-spacing: 0.01em;
}
.icon-tel-gnav {
    width: 1.292em;
    float: left;
    margin: 0 0.1em 0 0;
}
.txt-tel-gnav {
    text-align: justify;
    font-size: 0.9em;
    display: block;
    margin: 1px 0 0;
}
.link-tel-gnav {
    font-size: 1.5em;
    font-weight: 600;
    vertical-align: middle;
}
.btn-close-gnav {
    position: absolute;
    top: 0;
    right: 0;
    width: 32px;
    margin: 1.875% 2.709%;
}
/* home */
.hm-tl {
    color: #fff;
    /* position: absolute; */
    font-size: 1.624em;
    /* top: 0; */
    /* left: 0; */
    margin: 0 0 5%;
    letter-spacing: 0.15em;
    z-index: 1;
}
.hm-box {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 31.908%;
    margin: auto 0 auto 6.9%;
    box-sizing: border-box;
    /* padding: 3.2% 3% 3.3%; */
    text-align: center;
    letter-spacing: 0.1em;
    z-index: 1;
}
.hm-box .t-bs_bg{
    padding: 10%;
}
.hm-btn_member {
    display: block;
    text-align: center;
    color: #fff;
    font-size: 0.937em;
    line-height: 3.134;
}
.hm-img_01 {
    position: relative;
}
.t-btn_02 {
    background: #a3a4a8;
}
.hm-txt_member {
    font-size: 0.781em;
    margin: 4% 0 0;
    display: block;
}
.hm-txt_login {
    font-size: 0.875em;
    line-height: 1.789;
    margin: 9.8% 0 3.5%;
}
.hm-btn_contact {
    display: block;
    text-align: center;
    color: #fff;
    font-size: 0.937em;
    line-height: 3.134;
}
/* footer */
.footer {
    background: #dddddd;
    display: flex;
    justify-content: space-between;
    padding: 47px 0 41px;
}
.copyright {
    font-size: 10px;
    letter-spacing: 0.2em;
    padding: 0 0 0 33px;
}
.footer-link {
    font-size: 12px;
    display: flex;
    padding: 0 47px 0 0;
    margin: -4px 0 0 0;
    letter-spacing: 0.1em;
}
.footer-link li {
    margin: 0 0 0 43px;
}
/* 2022.04.01 add */
.pc{
    display: block!important;
}
.sp{
    display: none!important;
}
.tab-panel{
    width: 100%;
    margin: 4% 0 0;
}
.tab-group{
    display: flex;
    justify-content: center;
    margin: 0 0 4%;
}
.tab-group li{
    flex-grow: 1;
    padding: 2% 5px;
    list-style:none;
    border:solid 1px #CCC;
    text-align:center;
    cursor:pointer;
    font-size: 1.262em;
    background:#fff;
    margin-right: 1%;
    line-height: 1.2;
}
.tab-group li:last-child{
    margin-right: 0;
}
.tab-group li.is-active{
    background: #978f80;
    color: #fff;
    transition: all 0.2s ease-out;
    font-weight: 600;
}
.tab-panel_group .panel{
    display: none;
}
.tab-panel_group .panel.is-show{
    display: block;
}
@media screen and (min-width:1584px) {
    .main {
        font-size: 17.6px;
    }
    .gnav {
        font-size: 16px;
    }
    .anchor-point {
        margin-top: -155px;
    }
}
@media screen and (max-width:1000px) {
    .main {
        font-size: 11.11px;
    }
    .gnav {
        font-size: 10px;
    }
}
@media screen and (max-width:768px) {
    .l-ml12 {
        margin-left: 3.771%;
    }
    .l-ml6 {
        margin-left: 3.771%;
    }
    .l-wd93,.l-wd92,.l-wd87,.l-wd86,.l-wd79,.l-wd76, .l-wd73{
        width: 96.459%!important;
    }
    .pc {
        display: none!important;
    }
    .sp {
        display: block!important;
    }
    .tab-group li{
        font-size: 1em;
    }
    .logo-header{
        width: 258px;
        margin: 20px 0 20px 15px;
    }
    .tel-header, .btn-header, .line-header{
        display: none;
    }
    .btn-gnav{
        top: 30px;
        right: 25px;
    }
    .gnav{
        z-index: 10000;
    }
    .cts-gnav{
        width: 100%;
        padding: 0;
        overflow: auto;
        height: 100vh;
        top: 0!important;
        margin-bottom: 0!important;
    }
    .box-img-gnav{
        display: none;
    }
    .wrap-txt-gnav{
        display: block;
        padding: 40px 0;
    }
    .box-txt-gnav, .box-txt-gnav:nth-child(1){
        width: 79.861%;
        padding: 10% 10% 0;
    }
    .box-link-grav{
        padding: 0 0 8.3%;
    }
    .stl-gnav{
        padding: 0 0 7%;
    }
    .stl-gnav > a > img{
        height: 3.2em;
        width: auto;
    }
    .stl-gnav span{
        padding: 3.5em 0 0;
    }
    .anchor-gnav{
        margin: 0 0 0 1em;
        line-height: 2.8;
        font-size: 12px;
    }
    .box-txt-gnav-02{
        padding: 0 0 0 9.6%;
        margin: 20px auto 0;
        position: static;
        font-size: 18px;
    }
    .btn-close-gnav{
        top: 18px;
        right: 14px;
    }
    .footer{
        justify-content: center;
        flex-direction: column-reverse;
    }
    .copyright{
        padding: 20px 0 0;
        text-align: center;
    }
    .footer-link{
        padding: 0;
        margin: 0;
        justify-content: space-around;
    }
    .footer-link li{
        margin: 0 2px;
    }
    /* index */
    .hm-box{
        position: inherit;
        width: 96%;
        margin: -45% 0 0 0;
        transform: none;
    }
    .hm-tl{
        width: 50%;
        margin: 0 0 0 5%;
    }
    .hm-box .t-bs_bg{
        /* position: inherit; */
        width: 93%;
        margin: 22% 0 0 0;
        padding: 3.2% 3% 3.3%;
    }
}